package com.huacheng.securityresource.config;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Configuration;
import org.springframework.security.config.annotation.method.configuration.EnableGlobalMethodSecurity;
import org.springframework.security.config.annotation.web.builders.HttpSecurity;
import org.springframework.security.config.http.SessionCreationPolicy;
import org.springframework.security.oauth2.config.annotation.web.configuration.EnableResourceServer;
import org.springframework.security.oauth2.config.annotation.web.configuration.ResourceServerConfigurerAdapter;
import org.springframework.security.oauth2.config.annotation.web.configurers.ResourceServerSecurityConfigurer;
import org.springframework.security.oauth2.provider.token.TokenStore;

@Configuration
@EnableResourceServer
@EnableGlobalMethodSecurity(proxyTargetClass = true)
public class ResourceServerConfig extends ResourceServerConfigurerAdapter {

    private static final String RESOURCE_ID = "res1";

    @Autowired
    private TokenStore tokenStore;

    @Override
    public void configure(ResourceServerSecurityConfigurer resources) throws Exception {
        resources.resourceId(RESOURCE_ID)
                .tokenStore(tokenStore)
                .stateless(true);
    }

    @Override
    public void configure(HttpSecurity http) throws Exception {
        http.csrf().disable()
                .authorizeRequests()
                //所有资源的令牌访问范围(令牌的访问范围必须是all才可以)
                .antMatchers("/**").access("#oauth2.hasScope('ROLE_API')")
                .and()
                .sessionManagement().sessionCreationPolicy(SessionCreationPolicy.STATELESS);//因为基于token，所以不需要记录session

    }
}
